0.01 percent of the worlds oxygen is from the amazon
The Amazon Rainforest in South America produces the most oxygen in the world, contributing a significant portion of the Earth's oxygen supply.
About 60% of our oxygen is produced by phytoplakton.
The Amazon rainforest produces oxygen through photosynthesis, a process in which plants use sunlight to convert carbon dioxide into oxygen. This oxygen is released into the air as a byproduct, contributing to the overall oxygen supply on Earth. The vast number of plants and trees in the Amazon rainforest make it a crucial source of oxygen production.
20% of the world's oxygen comes from the amazon rainforest.
The Amazon rainforest is estimated to produce about 20% of the world's oxygen. However, it is important to note that the majority of the Earth's oxygen comes from phytoplankton in the oceans.
Pine trees produce approximately 260 pounds of oxygen per year.
35 percent
the answer is not nearly as much as people would imagine. the truth is the majority of the planets plant based oxygen production/carbon neutralization comes from ocean based blooms. Forest as such produce around 25% on average but you should also consider that the Taiga forest for example (that nobody ever talks about) absorbs more carbon and produces more oxygen than all the other temperate and tropical forests on the planet combined. This probably doesn't sit too well with Amazon conservationists but they should realize and focus on the real ecological damage done by deforestation there - which certainly ISN'T large scale oxygen depletion.
About 20%
Grass produces about half of the oxygen we breathe in a day.
The percentage of oxygen in water, vapors or ice is the same.